diff --git a/packages/desktop/resources/sample-config.yaml b/packages/desktop/resources/sample-config.yaml
index 45b8bd43..5934a70c 100644
--- a/packages/desktop/resources/sample-config.yaml
+++ b/packages/desktop/resources/sample-config.yaml
@@ -109,9 +109,9 @@ window/bar:
       providers: ['network']
       template: |
         <!-- Show icon based on signal strength. -->
-        @if (network.defaultInterface.type === 'ethernet') {
+        @if (network.defaultInterface?.type === 'ethernet') {
           <i class="nf nf-md-ethernet_cable"></i>
-        } @else if (network.defaultInterface.type === 'wifi') {
+        } @else if (network.defaultInterface?.type === 'wifi') {
           @if (network.defaultGateway?.signalStrength >= 80) { <i class="nf nf-md-wifi_strength_4"></i> }
           @else if (network.defaultGateway?.signalStrength >= 65) { <i class="nf nf-md-wifi_strength_3"></i> }
           @else if (network.defaultGateway?.signalStrength >= 40) { <i class="nf nf-md-wifi_strength_2"></i> }